diff --git a/libreco/__init__.py b/libreco/__init__.py
index 0f228f25..5197c5f5 100755
--- a/libreco/__init__.py
+++ b/libreco/__init__.py
@@ -1 +1 @@
-__version__ = "1.5.1"
+__version__ = "1.5.2"
diff --git a/libserving/__init__.py b/libserving/__init__.py
index 0f228f25..5197c5f5 100644
--- a/libserving/__init__.py
+++ b/libserving/__init__.py
@@ -1 +1 @@
-__version__ = "1.5.1"
+__version__ = "1.5.2"
diff --git a/pyproject.toml b/pyproject.toml
index 081e07cf..4c81a106 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -11,7 +11,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "LibRecommender"
-version = "1.5.1"
+version = "1.5.2"
 description = "Versatile end-to-end recommender system."
 authors = [
     { name = "massquantity", email = "jinxin_madie@163.com" },